74 lines
1.9 KiB
JavaScript
74 lines
1.9 KiB
JavaScript
'use strict';
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var assert = require('assert');
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var crypto = require('crypto');
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var Buffer = require('buffer').Buffer;
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var des = require('../');
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var fixtures = require('./fixtures');
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var bin = fixtures.bin;
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describe('DES-CBC', function() {
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var CBC = des.CBC.instantiate(des.DES);
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describe('encryption/decryption', function() {
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var vectors = [
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{
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key: '133457799bbcdff1',
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iv: '0102030405060708',
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input: '0123456789abcdef'
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},
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{
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key: '0000000000000000',
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iv: 'ffffffffffffffff',
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input: '0000000000000000'
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},
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{
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key: 'a3a3a3a3b3b3b3b3',
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iv: 'cdcdcdcdcdcdcdcd',
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input: 'cccccccccccccccc'
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},
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{
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key: 'deadbeefabbadead',
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iv: 'a0da0da0da0da0da',
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input: '0102030405060708090a'
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},
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{
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key: 'aabbccddeeff0011',
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iv: 'fefefefefefefefe',
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input: '0102030405060708090a0102030405060708090a0102030405060708090a' +
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'0102030405060708090a0102030405060607080a0102030405060708090a'
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}
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];
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vectors.forEach(function(vec, i) {
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it('should encrypt vector ' + i, function() {
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var key = new Buffer(vec.key, 'hex');
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var iv = new Buffer(vec.iv, 'hex');
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var input = new Buffer(vec.input, 'hex');
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var enc = CBC.create({
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type: 'encrypt',
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key: key,
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iv: iv
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});
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var out = new Buffer(enc.update(input).concat(enc.final()));
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var cipher = crypto.createCipheriv('des-cbc', key, iv);
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var expected = Buffer.concat([ cipher.update(input), cipher.final() ]);
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assert.deepEqual(out, expected);
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var dec = CBC.create({
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type: 'decrypt',
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key: key,
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iv: iv
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});
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assert.deepEqual(new Buffer(dec.update(out).concat(dec.final())),
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input);
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});
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});
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});
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});
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